1999 Chevy S-10 4X4 roaring noise while driving

Tiny
WHITELIGHTNIN
  • MEMBER
  • 1999 CHEVROLET TRUCK
I have a 1999 Chevy S10 extended cab, 4x4, 4.3 liter Vortec V6, automatic transmission, 129,000 miles. I have a roaring noise while driving down the road. The tires have been balanced and rotated. My dad said that it may be my one of my universal joints, but I'm not sure. Help! It's driving me crazy.
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Tuesday, April 10th, 2007 AT 9:43 PM

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Tiny
MCFERRANCE
  • MEMBER
Does the noise go away when you suddenly turn the steering wheel to the left or right while driving? If it does, it is a bad front wheel bearing. Sometimes this will also cause the ABS light to come on.
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Wednesday, April 11th, 2007 AT 7:26 PM
Tiny
WHITELIGHTNIN
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The noise does not go away when I turn the steering wheel, it gets louder. There is a real light ticking noise when the steering wheel is being turned while driving. I had a new power steering pump and pressure hose put on in October, and the fluid level and everything is fine.
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Thursday, April 12th, 2007 AT 8:43 AM
Tiny
MCFERRANCE
  • MEMBER
This is assuming the noise is in the front.
Is the noise worse when turning one way more than the other? This could still be a wheel bearing if it is.

Another test.

From a stop turn the steering wheel all the way to the left and the move the truck slowly in a circle. Do this also to the right. Is there a noise then? Is it in the front end?

If yes, it is most likely a CV joint. Look to see if any of the boots are ripped. CV joints usually create more of a clunking noise.

Another idea. Are all of the lights for the 4x4 and the front axle out? I had a lot of front end noise in mine because the front axle wasn't disengaging when I shifted out of 4WD. This ended up being the vacuum switch on the transfer case.

To check if it may be the u-joints or carrier bearing on the driveshaft, jack up the rear and support it with jack stands. Check for play in the u-joints by grasping the drive shaft and moving up and down at each u-joint. Put the truck in neutral and turn the driveshaft 1/4 turn and check each u-joint again. With the truck well supported and in 2WD, start the truck and run it in gear up to 35-40 MPH. Is the noise reproduced now? If so, it is the u-joints and/or carrier bearing.
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Friday, April 13th, 2007 AT 10:24 AM
Tiny
WHITELIGHTNIN
  • MEMBER
It seems to make more noise when I turn the wheel to left.

I will try the test of turning in a cirlce.

The lights are on 2wd, and when you push it into 4wd the light switches like it should. I had the same problem with the switch a couple of years ago, and its no making that kind of noise again. But like a year ago, I got stuck in a field here on the farm and the truck wouldn't engage in 4wd, the lights on the dash said it was but it wasn't hooking up. Dad pulled me out and as I was backing across the field I felt the 4wd engage.

I will check the u-joints also.

I will try to do these this weekend. Thanks for your help so far.
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Friday, April 13th, 2007 AT 2:35 PM

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